forked from OSchip/llvm-project
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
//===- yaml2obj - Convert YAML to a binary object file --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This program takes a YAML description of an object file and outputs the
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// binary equivalent.
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//
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// This is used for writing tests that require binary files.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ObjectYAML/yaml2obj.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ObjectYAML/ObjectYAML.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/ToolOutputFile.h"
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#include "llvm/Support/WithColor.h"
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#include "llvm/Support/YAMLTraits.h"
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#include "llvm/Support/raw_ostream.h"
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#include <system_error>
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using namespace llvm;
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static cl::opt<std::string>
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Input(cl::Positional, cl::desc("<input>"), cl::init("-"));
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cl::opt<unsigned>
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DocNum("docnum", cl::init(1),
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cl::desc("Read specified document from input (default = 1)"));
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static cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"),
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cl::value_desc("filename"));
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LLVM_ATTRIBUTE_NORETURN static void error(Twine Message) {
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errs() << Message << "\n";
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exit(1);
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}
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int main(int argc, char **argv) {
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InitLLVM X(argc, argv);
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cl::ParseCommandLineOptions(argc, argv);
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if (OutputFilename.empty())
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OutputFilename = "-";
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std::error_code EC;
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std::unique_ptr<ToolOutputFile> Out(
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new ToolOutputFile(OutputFilename, EC, sys::fs::OF_None));
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if (EC)
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error("yaml2obj: Error opening '" + OutputFilename + "': " + EC.message());
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ErrorOr<std::unique_ptr<MemoryBuffer>> Buf =
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MemoryBuffer::getFileOrSTDIN(Input);
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if (!Buf)
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return 1;
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yaml::Input YIn(Buf.get()->getBuffer());
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if (Error E = convertYAML(YIn, Out->os(), DocNum)) {
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logAllUnhandledErrors(std::move(E), WithColor::error(errs(), argv[0]));
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return 1;
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}
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Out->keep();
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Out->os().flush();
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return 0;
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}
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